BUG=angleproject:1120

Change-Id: If4fba903511dcd57d21f8f8178e772cf3cae4187
Reviewed-on: https://chromium-review.googlesource.com/293750Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>